extremely

adverb

ex·​treme·​ly ik-ˈstrēm-lē 

1

: in an extreme manner

2

: to an extreme extent

Synonyms of extremely

• very
• incredibly
• terribly
• highly
• too
• so
• badly
• damned
• severely
• damn
• really
• super
• desperately
• intensely
• seriously
• far
• exceptionally

Examples of extremely in a Sentence

an extremely hot day

Recent Examples on the Web

Saturday’s humid match was extremely important to England and France fans in attendance. — Michael Butler, Miami Herald, 19 July 2026

While Kyiv has made significant progress since 2022 in defending itself against Russian missile and drone attacks, the country remains extremely vulnerable to ballistic missile strikes. — Ihor N. Stelmach, Hartford Courant, 19 July 2026

From Piggly Wiggly to gas station, deli to sit-down-restaurant, most quick lunch establishments (and the Southerners that lovingly and critically frequent them) take the flavor, texture, and temperature of their chicken salads extremely seriously. — Catherine Jessee, Southern Living, 19 July 2026

Indeed, the seeds are extremely small and can range in color from blue-black to gray, white or pale yellow, depending on the variety. — Daryl Austin, USA Today, 19 July 2026

Word History

First Known Use

1509, in the meaning defined at sense 1

Phrases Containing extremely

• extremely high frequency
• extremely low frequency

Rhymes for extremely

• seemly
• unseemly